refactor(modules): update existing module implementations across attendance, audit, auth, classes, course-plans, exams, files, homework, layout, proctoring, questions, scheduling, textbooks, users

- Update attendance components and data-access for record management

- Update audit log views, filters, and data-access

- Update auth login and register forms

- Update classes actions, components, and data-access (admin, schedule, stats)

- Update course-plans actions, form, list, progress, and schema

- Update exams actions, AI pipeline, preview components, and hooks

- Update files components (icon, list, preview, upload) and data-access

- Update homework assignment form, review view, auto-save hook, and stats-service

- Update layout sidebar, header, and navigation config

- Update proctoring actions, anti-cheat monitor, and data-access

- Update questions actions, components (dialog, actions, columns, filters), and data-access

- Update scheduling actions, auto-scheduler, components, and schema

- Update textbooks constants and text-selection hook

- Update users class-registration, import-dialog, data-access, and user-service

src/modules/homework/components/homework-assignment-form.tsx

@@ -72,13 +72,18 @@ export function HomeworkAssignmentForm({ exams, classes }: { exams: ExamOption[]
     formData.set("publish", "true")
 
     setIsSubmitting(true)
-    const result = await createHomeworkAssignmentAction(null, formData)
-    setIsSubmitting(false)
-    if (result.success) {
-      toast.success(result.message)
-      router.push("/teacher/homework/assignments")
-    } else {
-      toast.error(result.message || t("homework.form.createFailed"))
+    try {
+      const result = await createHomeworkAssignmentAction(null, formData)
+      if (result.success) {
+        toast.success(result.message)
+        router.push("/teacher/homework/assignments")
+      } else {
+        toast.error(result.message || t("homework.form.createFailed"))
+      }
+    } catch {
+      toast.error(t("homework.form.createFailed"))
+    } finally {
+      setIsSubmitting(false)
     }
   }
 

src/modules/homework/components/homework-assignment-question-error-detail-panel.tsx

@@ -126,8 +126,8 @@ export function HomeworkAssignmentQuestionErrorDetailPanel({
                   </div>
                 ) : (
                   <div className="space-y-3">
-                    {wrongAnswers.map((wa, i) => (
-                      <div key={i} className="rounded-md border bg-background p-3 text-sm shadow-sm">
+                    {wrongAnswers.map((wa) => (
+                      <div key={wa.studentId} className="rounded-md border bg-background p-3 text-sm shadow-sm">
                         <div className="mb-1 flex items-center justify-between">
                           <span className="text-xs font-medium text-muted-foreground">Student Answer</span>
                           <span className="text-xs text-muted-foreground">{wa.count ?? 1} student{(wa.count ?? 1) > 1 ? "s" : ""}</span>

src/modules/homework/components/student-homework-review-view.tsx

@@ -186,11 +186,10 @@ export function HomeworkReviewView({ initialData }: HomeworkReviewViewProps) {
               </Label>
               <div className="mt-2 grid grid-cols-5 gap-2">
                 {initialData.questions.map((q, i) => {
-                  const hasAnswer = answersByQuestionId[q.questionId]?.answer !== undefined &&
-                                    answersByQuestionId[q.questionId]?.answer !== "" &&
-                                    (Array.isArray(answersByQuestionId[q.questionId]?.answer)
-                                      ? (answersByQuestionId[q.questionId]?.answer as unknown[]).length > 0
-                                      : true)
+                  const answer = answersByQuestionId[q.questionId]?.answer
+                  const hasAnswer = answer !== undefined &&
+                                    answer !== "" &&
+                                    (Array.isArray(answer) ? answer.length > 0 : true)
 
                   const score = q.score ?? 0
                   const max = q.maxScore